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/*!
  | Money parsing/formatting utilities.
  |
  */

crate::ix!();

//-------------------------------------------[.cpp/bitcoin/src/util/moneystr.h]
//-------------------------------------------[.cpp/bitcoin/src/util/moneystr.cpp]

/**
  | Do not use these functions to represent
  | or parse monetary amounts to or from
  | 
  | JSON but use AmountFromValue and ValueFromAmount
  | for that.
  |
  */
pub fn format_money(n: Amount) -> String {
    
    todo!();
        /*
            // Note: not using straight sprintf here because we do NOT want
        // localized number formatting.
        const_assert(COIN > 1);
        int64_t quotient = n / COIN;
        int64_t remainder = n % COIN;
        if (n < 0) {
            quotient = -quotient;
            remainder = -remainder;
        }
        std::string str = strprintf("%d.%08d", quotient, remainder);

        // Right-trim excess zeros before the decimal point:
        int nTrim = 0;
        for (int i = str.size()-1; (str[i] == '0' && IsDigit(str[i-2])); --i)
            ++nTrim;
        if (nTrim)
            str.erase(str.size()-nTrim, nTrim);

        if (n < 0)
            str.insert((unsigned int)0, 1, '-');
        return str;
        */
}

/**
  | Parse an amount denoted in full coins.
  | E.g. "0.0034" supplied on the command
  | line. *
  |
  */
pub fn parse_money(money_string: &String) -> Option<Amount> {
    
    todo!();
        /*
            if (!ValidAsCString(money_string)) {
            return std::nullopt;
        }
        const std::string str = TrimString(money_string);
        if (str.empty()) {
            return std::nullopt;
        }

        std::string strWhole;
        int64_t nUnits = 0;
        const char* p = str.c_str();
        for (; *p; p++)
        {
            if (*p == '.')
            {
                p++;
                int64_t nMult = COIN / 10;
                while (IsDigit(*p) && (nMult > 0))
                {
                    nUnits += nMult * (*p++ - '0');
                    nMult /= 10;
                }
                break;
            }
            if (IsSpace(*p))
                return std::nullopt;
            if (!IsDigit(*p))
                return std::nullopt;
            strWhole.insert(strWhole.end(), *p);
        }
        if (*p) {
            return std::nullopt;
        }
        if (strWhole.size() > 10) // guard against 63 bit overflow
            return std::nullopt;
        if (nUnits < 0 || nUnits > COIN)
            return std::nullopt;
        int64_t nWhole = LocaleIndependentAtoi<int64_t>(strWhole);
        CAmount value = nWhole * COIN + nUnits;

        if (!MoneyRange(value)) {
            return std::nullopt;
        }

        return value;
        */
}